See Also

FUNCTION TFF (T, CLK, CLRN, PRN)
   RETURNS (Q);

COMPONENT TFF
   PORT (t   : IN STD_LOGIC;
      clk : IN STD_LOGIC;
      clrn: IN STD_LOGIC;
      prn : IN STD_LOGIC;
      q   : OUT STD_LOGIC);
END COMPONENT;

Inputs PRN CLRN CLK T	Output Q
L H X X H L X X L L X X H H L H H H H H L X	H L Illegal Qo* Toggle Qo*

* Qo = level of Q before clock pulse

All flipflops are positive-edge-triggered.

Back to Top